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Things You Need to Know about Lecithin in Food Industries

Things You Need to Know about Lecithin in Food Industries

Lecithin Supplement, Lecithin in Food, Find out more about Lecithin in HSF Biotech.

Lecithin is a mixture of fats that are essential to cells in the human body, and is a group of chemicals that belongs to compounds called phospholipids.

Have you ever noticed soy lecithin on your food’s ingredient list? It appears to be in everything at times! It makes us wonder: how could one small additive be so wide spread? Because it’s extremely useful.

Lecithin has been used in the food industry for many years. Lecithin is an important factor in the optimization of food due to its good texture-giving properties, and its harmlessness to health or even health-promoting properties in some cases.

What is Lecithin

What is Lecithin?

Lecithin acts as an emulsifier and stabilizer in foods. It’s widely used in yeast-leavened bakery products and cakes. This ingredient can be found in raw materials like eggs or soybeans, and it can be used as a clean-label ingredient.

The name “lecithin” comes from the Greek word “lekithos,” which means “egg yolk.” It was first discovered in eggs in 1846. Lecithin is now one of the most versatile and valuable oilseed byproducts.

The U.S. lecithin industry, which dates back to 1940, has seen significant growth in recent decades as lecithin has become a more common nutraceutical and food supplement ingredient, according to the book “Polar Lipids.”

Manufacturing Lecithin

Soy lecithin is extracted from soybeans at the same time as soybean oil is made by food manufacturers. To get to soy lecithin, a food manufacturer must first keep the soybeans at a constant temperature and humidity so that the hull and seed can be easily separated. After loosening the seeds, they are heated and pressed into flakes, releasing soybean oil.

This oil is distilled and then mixed with water to allow a centrifuge to spin at high speeds. Soy lecithin is the end product of this somewhat lengthy process.

The Three Main Functions of Lecithin

1. Emulsification and Stabilization

Emulsifiers help to blend liquids that otherwise would not remain blended together on their own. This is key for products that contain water and oils, such as margarine and salad dressings. Soy lecithin’s emulsifying properties also help to prevent cooking sprays and margarine from spattering when used for frying. Soy lecithin not only helps to stabilize these emulsions, it also helps blend fats and fine solids. Chocolate bars are a great example, as they often contain cocoa butter, milk, sugar and fine, solid cocoa. Soy lecithin helps to combine and stabilize these ingredients. As such, soy lecithin is a very common ingredient in the confectionery industry.

2. Wetting and Lubrication

Because of lecithin’s ability to aid in the mixing of ingredients, it is an excellent wetting agent. This property is required in instant food and beverage products that require the mixing of a solid powder with a liquid. Soy lecithin aids the dissolution of solid particles in liquids in these blends, resulting in a smooth and stable final product. In a similar way, it aids in increasing the lubricating properties of fats and oils. Soy lecithin, for example, ensures that your food binds with the oils in non-stick cooking spray rather than the surface of your pan.

3. Nutritional Supplement

Soy lecithin is a good source of choline, a nutrient that is required by all of your body’s cells. This substance aids in the formation of cell membranes and the maintenance of their porous, pliable structure. A lack of choline in the diet can cause cell membrane stiffening. Nutrient absorption, nerve function, and the metabolism of fats, cholesterol, and methyl in nutrients like B-vitamins all suffer as a result of this.

As a result, increasing choline intake may aid cognitive function, cardiovascular health, liver function, reproduction, and athletic performance.

The Uses of Lecithin in Food Industry

Emulsifiers are essential in the baking industry. Lecithin can replace synthetic emulsifiers due to its excellent properties, and it is responsible for a number of product advantages, including: increased volume yield, improved freshness, improved dough properties, optimized fat distribution, and increased fermentation tolerance. including:

  • High volume yield
  • Improved freshness
  • Better dough properties
  • Optimised fat distribution
  • Increased fermentation tolerance

Baking Substances

Lecithin, which is used in baking agents, helps to strengthen the gluten network during dough preparation. Lecithin, when combined with proteins, improves fluid retention in the dough structure, resulting in improved freshness.

Patisserie

Lecithins in pastry products help to distribute individual components like fat and sugar more evenly throughout the mass. They also allow for better processing properties and uniform browning of baked goods.

Waffles

Lecithin is the component that ensures the best distribution of ingredients in waffles. In addition to the pleasant browning, the structure of the waffle or the contours of the corrugation are very important as a separating agent from the waffle iron. The use of lecithin also extends the time between baking plate cleanings.

The Uses of Lecithin in Food Industry

Yeast Pastry

In yeast-raised doughs, lecithin improves the adhesive’s extensibility. As a result, fermentation stability improves, resulting in finer, more even pores. Enzymatically hydrolyzed lecithins can be used to stop fermentation in the middle of making dough pieces. They are able to bring the free dough water into small, fine, uniform ice crystals during freezing, thus protecting the adhesive framework and maintaining volume, thanks to their hydrophilic properties.

Low-fat baked goods such as crackers or grissini, frozen doughs, cakes and cake mixes, and pizza bases are among the many applications.

CHOCOLATE & CONFECTIONERY

The use of lecithin in chocolate mass enables the most expensive raw material, cocoa butter, to be saved. Furthermore, lecithin has an effect on how chocolate crystallizes on the surface. It adjusts the viscosity and flow limits of chocolate masses with its single phospho-lipids, allowing for energy and chocolate mass savings, such as in coating masses.

The use of lecithin fractions in chocolate masses, such as ice cream coatings, chocolate candies, and bar coatings, allows for significant cost savings while maintaining uniform coating.

The Uses of Lecithin in Food Industry-2

MARGARINE

Margarine in the “light margarine” category has a fat content of approximately 40%. The splashing of water and the burning of protein components during the frying process are two major drawbacks. An increase in PC content, as well as the development of smoke over a longer frying process, can have a positive impact on this. Because of their high hydrophilicity, enzyme-hydrolyzed lecithins are also popular. Improved spreadability.

  • Reduced spattering during frying
  • Improved flavour release
  • Longer shelf life thanks to the antioxidant effect
  • Even dispersion of ingredients

INSTANT FOOD

Lecithin improves the dispersion ability of the individual powder forms. It shortens the sinking time and ensures a fine stable emulsion of the beverages. Furthermore, lecithins are also added during spray drying or during mixing.

Here, lecithin’s that are enriched with PC or from whom oil has been removed, are advantageous because they are absolutely neutral in taste.

Lecithin is used for optimizing:

  • Cocoa drinks
  • Milk shakes
  • Protein shakes
  • Milk powder
The History and Benefits of Turmeric You Need to Know

The History and Benefits of Turmeric You Need to Know

Turmeric and Curcumin | The Golden Herb with Long History and Many Benefits

Turmeric, one of the Golden Herb in our daily life has been proved huge benefits by famous scientist and many actress.

It grows on the ground and its rhizome is golden yellow.

It is both an ingredient and a medicinal herb.

Occasionally it can used as pigment.

Can you guess, what is it?

Guess! What is it?
Difference between Curcumin and Turmeric

Yes, it is turmeric.

Turmeric, like ginger, is a plant of the ginger family. The turmeric we eat is a golden powder from the root of the plant. It’s bitter and pungent in taste, but so popular that it becomes more and more popular in recent years.

For example:

  • Gwyneth Paltrow, who plays Pepper in Iron Man, loves turmeric and she has shared the recipe for turmeric lattes on her website.
  • Daisy Ridley, who played Rey in Star Wars, put turmeric on her face and recorded it on video and posted it online.

IT’S ALL YELLOW! 

Star Wars actress Daisy Ridley accidentally dyes her hands and face with DIY Tumeric scrub mask

Turmeric is good for face

Curcumin has the effect of relieving acne on the skin, and has good effect of removing acne and eliminating acne. It has strong antioxidant and anti-aging effects. Whitening effect is good, it is 80 times of arbutin. Curcumin is phototoxic and can be used as a powerful photosensitivist in antimicrobial therapy.

In vitro studies have shown that curcumin activated by blue light can increase the number of oxygen free radicals in cells, disrupt the permeability of bacterial cell membranes and ultimately lead to the death of S. aureus.

Starbucks also saw the opportunity and offered turmeric lattes as a seasonal addition to its stores in the London area of the UK.

Turmeric coffee

Never heard of this ingredient? But I bet you have eaten, because turmeric is the core ingredient in curry, and the yellow-orange happy color of curry comes from turmeric.

Although you may not believe it, the root of this little plant has been proven in several scientific studies to improve osteoarthritis, obesity, heart disease, diabetes, liver damage, and has anti-inflammatory and antiseptic!

If you are also curious about the turmeric, let’s get to know this unique ingredient today.

Turmeric— A Golden Herb with A Long History

  • A long story

Turmeric (haldi in Hindi) is a golden herb with a long history. The earliest use of turmeric dates back to the ancient Indian physician Sushruta, who recommended the turmeric ointment to cure food poisoning. In the following years, the spice entered China, Africa and Jamaica. Turmeric has been used by ancient healers and religious leaders and has slowly making its way into the Western world.

  • For wedding

Turmeric is believed to be associated with spiritual cleanliness and fertility. For this reason, it is used in Hindu weddings to purify and bless the newly married couples. The bride and groom got pasted on their faces  and bodies during the ceremony, and then washed off before the wedding. It is believed to remove the negative emotions from the mind, body, and soul.

Turmeric used in Hindu weddings

With its bright golden hue, turmeric is associated with the ancient sun God, the main focus of traditional Hindu beliefs. Yellow garments are also made from this colorful spice, reflecting the spirit of Krishna, who often wore yellow garments.

What Is the Difference Between Turmeric and Curcumin?

You’ve probably heard about the amazing health benefits of turmeric. Sometimes called ‘poor man’s saffron’, it’s a humble spice that’s made it to the big time.

But it’s hard to read about this superfood without stumbling across the word ‘curcumin’. As one of the major compounds of turmeric – with a wealth of health benefits to boot – it may seem like this nifty nutrient is hogging the limelight. But what is curcumin? Why is it so special? And most importantly, what’s the benefits of Curcumin

Curcumin is a nutrient extracted from turmeric, and we can get about 5g of curcumin from per 100g of turmeric. Like allicin, it is not an essential nutrient for the body, but it can inhibit bacterial growth and fight inflammation.

The story of turmeric being used to heal food poisoning

Curcumin is an antiseptic, and when combined with its good friend garlic, it will definitely half the work with double results. When food is improperly frozen and then repeatedly thawed, spores of bacillus cereus can germinate in food, causing the person who eats it to vomit and diarrhea.

For example, when seafood is not fully cooked or properly marinated, the bacteria Parahaemolyticus can come out and cause trouble.

In 1950, in Osaka, Japan, an outbreak of food poisoning caused by parahaemoly saccharide caused severe abdominal pain after people ate improperly processed dried herring. 272 patients were confirmed to have been poisoned, 20 of whom died.

Also because bacteria are everywhere, a team of researchers from India want to find a low-cost, readily available sterilizing foods.

After chemical tests, they found that a 5% concentration of turmeric extract combined with garlic extract can inhibited the growth of a variety of bacteria, including Bacillus cereus and B. parapsilosis. Both of these ingredients can be found in curry.

Curcumin has benefits of anti-inflammatory

In addition, curcumin has been shown to relieve inflammatory conditions such as rheumatoid arthritis.

A study at the University of Arizona showed that feeding curcumin to mice effectively inhibited arthritis and even joint damage in mice. The mechanism here, is that curcumin inhibits a protein in mice that initiates inflammation, NF-κB. In addition, Wuhan University Central South Hospital also found that curcumin can treat ulcerative colitis by inhibiting NF-κB.

Curcumin has benefits against depression

Curcumin has shown some promise in treating depression. In a controlled trial, 60 people with depression were randomized into three groups[1].

One group took Prozac, another group took 1 gram of curcumin, and the third group took both Prozac and curcumin. After 6 weeks, curcumin had led to improvements similar to those of Prozac. The group that took both Prozac and curcumin fared best.

According to this small study, curcumin is as effective as an antidepressant. Depression is also linked to reduced levels of BDNF and a shrinking hippocampus, a brain area with a role in learning and memory. Curcumin can help boost BDNF levels, potentially reversing some of these changes[2].

There’s also some evidence that curcumin can boost the brain neurotransmitters serotonin and dopamine [3].

Reference

[1] Sanmukhani J, Satodia V, Trivedi J, Patel T, Tiwari D, Panchal B, Goel A, Tripathi CB. Efficacy and safety of curcumin in major depressive disorder: a randomized controlled trial. Phytother Res. 2014 Apr;28(4):579-85. doi: 10.1002/ptr.5025. Epub 2013 Jul 6. PMID: 23832433.

[2] S.K. Kulkarni, Ashish Dhir, Kiran Kumar Akula, “Potentials of Curcumin as an Antidepressant”, The Scientific World Journal, vol. 9, Article ID 624894, 9 pages, 2009. https://doi.org/10.1100/tsw.2009.137

[3] Kulkarni, S.K., Bhutani, M.K. & Bishnoi, M. Antidepressant activity of curcumin: involvement of serotonin and dopamine system. Psychopharmacology 201, 435 (2008). https://doi.org/10.1007/s00213-008-1300-y

How Does Lycopene Take Care of Your Skin?

How Does Lycopene Take Care of Your Skin?

Lycopene Can Take Care of Your Skin from being sunburn and UV Ray

Lycopene is stronger carotenoid, 3.2x than beta- carotene and 100x than vitamin E, Lycopene can help skin reduce damage for sunburn and UV ray.

Lycopene is a natural bright red compound found in fruits and vegetables. Ever wonder what gives fruits like watermelon, guava, and tomatoes their attractive red color? It’s just lycopene, a red pigment that belongs to the carotenoid family. It’s found in most red and pink fruits.

Lycopene can be found in many red fruit

Lycopene can be found in most red and pink fruits.

To be stronger antioxidant than most carotenoid.

Lycopene is an anaerobic carotenoid and is a very powerful antioxidant.

  • It is 3.2 times more powerful than beta- carotene,
  • It is 100 times stronger than vitamin E.

Lycopene has an extremely strong ability to scavenge free radicals. It has many skin benefits such as protection against sun damage, anti-aging properties, and renewal of skin cells.

Tomato is one of the best Lycopene sources

To protect the skin by reducing the damage caused by UV rays.

Sun radiation, air pollution, smoking, and pesticides in the external environment cause the body to produce more reactive oxygen radicals, which mutate nucleic acids, the root cause of human aging and disease. When the skin receives too much UV radiation, it damages epidermal cells; activates tyrosinase, accelerates pigment synthesis, disrupts the skin’s moisturizing function, dries out the skin, and damages the elastic fibers in the dermis, thus causing wrinkles. Under intense exposure, it also causes skin inflammation and burns. Under abnormal conditions, it can become pigmented skin cancer.

Lycopene can reduce sunburn for skin

Why can free radicals cause the body to the age when lycopene can slow it down? Let’s say that iron rusts in the air because of the loss caused by oxidation, and if left untreated, iron will soon corrode, and the body’s metabolism is like oxidation, which means that people are rusting every day, and this rust is medically known as “free radicals”. The main danger of free radicals is that they cause cellular oxidation and act with deoxyribonucleic acid, proteins, carbohydrates, and fats to cause damage to the body.

Increasing the amount of lycopene in the skin can protect the skin by preventing or reducing the damage caused by UV rays.

Lycopene help prevent skin sunburn

To help preventing and mitigate damage from sunburn on skin.

Lycopene is a well-deserved natural sunscreen. A study published in October 2012 in The American Journal of Clinical Nutrition reported that foods rich in lycopene, a plant-based pigment with antioxidant properties, can reduce the severity of sunburn and increase the moisture and elasticity of the skin.

In several studies, lycopene has shown to reduce the damaging effects of the sun on the skin. A 2007 study reported in the journal Molecular Biotechnology found a reduction in sensitivity to UV-induced erythema (skin reddening) after a 10-12 week dietary intervention with beta-carotene and lycopene. This study concluded that dietary intake of the trace elements lycopene and beta-carotene may help provide lifelong protection from harmful UV radiation. [1]

A small study of 19 healthy people found that lycopene could help to reduce the severity of sunburn. Nine individuals were given tomato paste (16mg lycopene) and olive oil every day for 10 weeks while the control group of 10 people just consumed olive oil. At the beginning of the study and week 10, the subjects were exposed to a solar simulator and their skin redness was monitored. The results revealed that those consuming lycopene-rich tomato paste and olive oil had a 32% reduction in skin redness, and an average of 40% reduction in redness compared to the control group.

To improve the skin healing capability

Lycopene also enhances the skin’s natural healing process, preventing various external toxins from damaging skin and making it look beautiful and healthy. In addition to moisturizing your skin, improving its texture and elasticity, lycopene helps repair damaged skin cells. As a result, this natural compound is widely used in a variety of skincare products. In addition, supplements containing lycopene and other natural antioxidants have been found to significantly improve skin texture.

Reference

[1] Sies, H, Stahl, W. “Carotenoids and Flavanoids Contribute to Nutritional Protection against Skin Damage from Sunlight.” Molecular Biotechnology 37 no. 1 (2007): 26-30.

[2] https://pubmed.ncbi.nlm.nih.gov/11340098/

All You Should Know About Beta-Carotene

All You Should Know About Beta-Carotene

The Full Instruction About Beta-Carotene

Learn about Beta Carotene benefits, usage, difference with vitamin A, and dosage for human body in our daily life

The name beta-carotene comes from the Greek word “beta” (beta) and the Latin word “carota” (carrot). This yellow/orange pigment gives vegetables and fruit vivid colors. The earliest studies on carotenoids date back to the beginning of the 19th century.  Beta-carotene was first crystallized by Wackenroder in 1831.

Is Beta-Carotene the same as vitamin A?

Beta-carotene is considered as a precursor to vitamin A。It is an essential vitamin for any age, including immune system and vision. It is converted to vitamin A as needed by the body. Beta-Carotene doesn’t convert into vitamin A at a 1:1 ratio. It’s about the range of 3:1 or 28:1, and it also depending on several factors. If a person is zinc deficient, has poor thyroid function or malabsorption of fats, then Beta-Carotene may not be converted at all.  

Beta-Carotene and Vitamin A

Top 10 Foods High in Beta-Carotene

1
2
3
4
5
6
7
8
9
10
Carrot
Pumpkins
Sweet Potatoes
Spinach
Collards
Kale
Turnip Greens
Beet Greens
Winter Squash
Cabbage
Half a cup of cooked carrots has 671 milligrams of vitamin A and just 27 calories.
Half a cup of canned pumpkin has 953 milligrams of vitamin A and only 42 calories.
One medium sweet potato has 1,096 milligrams of vitamin A and 103 calories.
One half cup of spinach offers a healthy 573 milligrams of vitamin A and only 30 calories.
These leafy greens have 489 milligrams of vitamin A, plenty of Beta-Carotene, and just 31 calories in one half a cup.
Kale has 478 milligrams of the nutrient and 20 calories per half cup serving.
Half a cup of turnip greens has 441 milligrams of vitamin A, 851 micrograms of vitamin K, and just 24 calories.
Beet greens are a top source of several nutrients, with 276 milligrams of vitamin A, 697 micrograms of vitamin K, 655 milligrams of potassium, and just 19 calories per half a cup.
Winter squash is a delicious source of nutritious Beta-Carotene.
Cabbage, especially Chinese pak-choi, is another great source of Beta-Carotene.
Beta-Carotene in life

What are the benefits of beta-carotene?

For Eye Support

As we mentioned before, beta-carotene can be converted to Vitamin A and absorbed by our body. Vitamin A helps your brain and eyes convert the light coming into them into signals that affect what you see. This can help in poor light situations. In this way, beta-carotene do support the night vision.

Beta-carotene and other antioxidants help to delay the progression of age-related macular degeneration, which can lead to changes in vision. Antioxidants help delay the progression of macular degeneration symptoms by preventing oxidative stress that plays an important role in cell degeneration and nerves in the retina/macula.

For Skin Support

Beta-carotene has a number of benefits for the skin. For example, it can reduce the symptoms of erythropoietic protoporphyria, a condition that causes extreme pain and skin irritation when exposed to sunlight. β-Carotene has been used for over 30 years to ameliorate the skin photosensitivity arising from excess protoporphyrin. In the early studies of Mathews-Roth and co-workers[2], about 84% of those with EPP benefited from large daily doses of β-carotene. Currently the normal dose used is 75–150 mg/day.[3] Beta-carotene is also used to treat other UV-related diseases such as solar urticaria, polymorphic light rash (PLE) and photoallergic drug reactions.

For Lung Support

Since it is involved in maintaining cells in the epithelium or tissue lining, vitamin A is essential for a respiratory system. Vitamin A deficiency during pregnancy can cause long-term negative effects on the lung health of the child.

For Immune Health

As beta-carotene is an antioxidant, it can improve our immune health by reducing oxidative stress in the body. Oxidative stress directly leads to chronic diseases, including heart disease, arthritis, Alzheimer’s disease, diabetes, stroke, atherosclerosis and more.

Antioxidants enhance our immune function by removing and destroying free radicals. Free radicals can cause damage to our body, which can lead to chronic inflammation and disease formation. Researchers have shown that beta-carotene can increase the activeness and number of immune cells.

Side Effects

Consuming large doses of beta-carotene or other carotenoids in food will not cause symptoms of toxicity. However, when consuming large amounts of beta-carotene-rich foods, the person’s skin can turn yellow or orange. This condition is known as carotenosis or carrot skin disease, and it appears to be reversible and harmless.

Signs You May Need Beta-Carotene

According to the WHO, vitamin A deficiency is common in developing countries. It is the leading cause of preventable blindness in children. And other signs are hair loss, night blindness, dry or inflamed eyes and skin irritation.

How much beta-carotene is safe?

The safe dose of Beta-Carotene is very different to different people. This following information is just for reference, please follow your doctor’s directions before you take them.

For oral dosage forms (capsules or chewable tablets).

Adults and adolescents
Children
Beta-carotene (mg/day)
6 to 15 mg
3 to 6 mg
Vitamin A
Equivalent to 10,000 to 25,000 units of vitamin A activity
Equivalent to 5,000 to 10,000 units of vitamin A activity
Reference

[1]https://www.goodhousekeeping.com/health/diet-nutrition/g2182/beta-carotene-47011204/?slide=9

[2] Mathews-Roth M.M., Pathak M.A., Fitzpatrick T.B., Haber L.H., Kass E.H. Beta-carotene therapy for erythropoietic protoporphyria and other photosensitivity diseases. Arch. Dermatol. 1977;113:1229– doi: 10.1001/archderm.1977.0164009007701

[3] Black HS, Boehm F, Edge R, Truscott TG. The Benefits and Risks of Certain Dietary Carotenoids that Exhibit both Anti- and Pro-Oxidative Mechanisms-A Comprehensive Review. Antioxidants (Basel). 2020;9(3):264. Published 2020 Mar 23. doi:10.3390/antiox9030264

What You Need to Know About Lutein for Eyes

What You Need to Know About Lutein for Eyes

Check out What and How Lutein for Eyes

It is found that taking 6 mg of lutein per day led to a 43% lower risk for eyes disease, lutein is important for the protection of human eyes.

The word lutein comes from the Latin word “Lutea”, which means yellow. Lutein is a type of carotenoid, which found in many fruits and leafy green vegetables. Lutein is the main component of retinal pigment and is an indispensable “element” of the eye, and lutein cannot be synthesized by the body itself, but only through external supplementation and daily dietary intake, therefore the intake of proper lutein supplement every day is necessary!

The distribution of lutein in the human body is mainly in these two parts:

 

  • the retina and macula
  • the crystalline lens.
the retina and macula-why lutein is good for eyes

What and how the lutein does for retina and macula?

The macula is an oval-shaped pigmented area near the center of the retina of human eyes. The human eye is like a photocopier that gathers many light-sensitive cells. The macula of the retina transmits colors and images from the center of the visual field to the brain in a time. Lutein is like the toner in a photocopier, if the toner in the photocopier is gone, no images can be copied.

Further, the lutein contained in the lens and macula of the retina also filters out the blue light from the sun to prevent damage to the eyes from blue light. The blue light entering human eyes will produce a large number of free radicals, which will cause cataracts or degeneration of the macula. Therefore, once the human body is deficient in lutein, aging retinal macular degeneration, cataract, astigmatism, presbyopia, pseudomyopia, and visual fatigue will occur.

Among them, age-related retinal macular degeneration and cataract are the two most common eye diseases in the elderly, and are also the main causes of blindness in the elderly. This shows that lutein is particularly important for the protection of human eyes.

Lutein and Age-Related Macular Degeneration (AMD)

Macular degeneration, also known as age-related macular degeneration (AMD or ARMD), is a medical condition that may lead to blurred or no vision in the center of the visual field.

Dr. Johanna M. Seddon from Harvard University and associates found that taking 6 mg of lutein per day led to a 43% lower risk for macular degeneration.[1]

Dr.Seddon concludes that increasing the consumption of lutein may decrease the risk of developing advanced age-related macular degeneration (AMD). He also writes in his book Overcoming Macular Degeneration, lutein is particularly important because it can be absorbed and transported in relatively large quantities to the macula and the lens of the eye.

Lutein and Myopia

Myopia is considered to be one of the most prevalent eye disorders around the world, especially among Asian children. It is estimated that around 80–90% school students are affected by myopia in this region, among whom 10–20% suffer from high myopia [2].

Although myopia is not often considered as a serious eye disorder since vision can be easily corrected with glasses or contact lenses,it may increase the risk of other ocular pathologies such as glaucoma, retinal detachment, and lacquer cracks[3].

Hyaluronic acid is a space-filling and water-retaining substance within the vitreous humor in the eyes, which plays a significant role in light refraction. The ability of hyaluronic acid to improve myopia-related outcomes was demonstrated by both animal and clinical studies. A guinea pig study showed that injectable biomimetic hyaluronic acid-based hydrogel could control the progression of myopia without compromising retinal functions [4]. This evidence may provide clues concerning the benefits of lutein for myopic individuals due to its ability in promoting hyaluronic acid synthesis, which is shown to be protective against myopia.

Lutein and Myopia-why lutein good for eyes

Lutein and Cataract

Cataract is one of the most common age-related eye diseases. It is characterized by the opacification or clouding of lens, which reduces the amount of light passing through to reach the retina, resulting in blurred vision.

The major reason why this cloudiness occurs is over-exposure to oxidation, which is why the antioxidant property of lutein is so essential.

Lutein and Cataract-why lutein is good for eyes

The reason that lutein helps protect the eyes are mainly because it can absorb the harmful blue light and its antioxidant properties protect the retina from harmful free radicals. For people who are already suffering from eye damage, include dry eyes, digital eye strain, and eye retina damage, an increased consumption of lutein can prevent the condition from progressing any further and leading to additional damage.

Reference

[1] Johanna M. Seddon et al, 1994, Journal of American Medical Association 272:1413-20.

[2] Morgan, I.G.; Ohno-Matsui, K.; Saw, S.M. Myopia. Lancet 2012, 379, 1739–1748.

[3] Saw, S.M.; Gazzard, G.; Shih-Yen, E.C.; Chua, W.H. Myopia and associated pathological complications.Ophthalmic Physiol. Opt. 2005, 25, 381–391.

[4] Garcia, M.; Jha, A.K.; Healy, K.E.;Wildsoet, C. A soft hyaluronic acid-based hydrogel can control myopia progression in guinea pigs. Investig. Ophthalmol. Vis. Sci. 2014, 55, 4632.